U.S. Geological Survey Data Series 428
Click on the links below to access the PDF files of the hand-written cruise, navigation, and seismic logbooks completed in the field by the personnel onboard the R/V Gyre and R/V Carancahua. Post cruise reports are also included. These files can also be found in the logbooks folder.
81CA1_Leg 1_Logbook (4,676-KB PDF)
81CA1_Leg 2_Logbook (114,899-KB PDF)
81CA1_Post Cruise_Report (35-KB PDF)
81GY6_Nav_Log (4,308-KB PDF)
81GY6_Seismic_Log (3,497-KB PDF)
81GY6_Post Cruise_Report (4,329-KB PDF)
NOTE: PDF files may be viewed using Adobe Reader public domain software. If unable to access the PDF files, please contact jsanford@usgs.gov.